<template>
  <el-upload
    class="avatar-uploader"
    :action="action"
    :show-file-list="false"
    :on-success="success"
  >
    <img
      v-if="value"
      :src="value"
      class="avatar"
    >
    <i
      v-else
      class="el-icon-plus avatar-uploader-icon"
    />
    <div> {{ $attrs.label || '照片' }}</div>
  </el-upload>
</template>

<script>
export default {
  props: {
    action: {
      type: String,
      default: ''
    },
    value: {
      type: String,
      default: null
    }
  },
  methods: {
    success (response) {
      if (response.url) {
        this.$emit('change', response.url)
        // console.log('send change', response.url)
      }
    }
  }
}
</script>

<style scoped>
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.avatar-uploader .el-upload:hover {
  border-color: #409EFF;
}
.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  line-height: 178px;
  text-align: center;
}
.avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>
